Samsung Galaxy S24 Plus (Exynos) vs Samsung Galaxy S21 Plus

Compared 2 smartphones : Samsung Galaxy S24 Plus (Exynos) Manufactured in January, 2024, with display 6.7 with chipsetSamsung Exynos 2400, vs Samsung Galaxy S21 Plus, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S24 Plus (Exynos)
  • Higher pixel density: 513ppi
  • Lighter design: 196g vs 200g
  • Higher battery capacity: 4900mAh vs 4800mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Supports DisplayPort
Reasons to choose Samsung Galaxy S21 Plus

    Versions

    Available versions and configurations
    Memory Options - 12/256 GB
    - 12/512 GB
    - 8/128 GB
    - 8/256 GB

    Review

    Key Specs Samsung Galaxy S24 Plus (Exynos) and Samsung Galaxy S21 Plus
    Display
    Color accuracy, sharpness & brightness
    Camera
    Main & front camera tests
    Performance
    App & system performance
    Games
    3D gaming performance
    Battery
    Battery life, charging speed & type
    Connectivity
    Connectivity features
    NanoReview Score
    Overall score by NanoReview
    Adjust each parameter’s importance to find the best match for you.
    Customize your score
    Function
    Importance (Weight)
    Display:
    Camera:
    Performance:
    Gaming:
    Battery:
    Connectivity:
    Higher weight means greater impact on NanoReview score.

    Tests & specs

    Specs & test comparison

    Display

    Display quality comparison
    Type Dynamic AMOLED Dynamic AMOLED
    Size 6.7 in 6.7 in
    Resolution 1440x3120 pixels 1080x2400 pixels
    Aspect ratio 19.5:9 20:9
    Pixel density 513 ppi 394 ppi
    Refresh rate 120 Hz 120 Hz
    Adaptive refresh rate Yes Yes (48-120 Hz)
    Max brightness 2600 nits 1300 nits
    HDR support Yes HDR10+ Yes HDR10+
    Screen-to-body ratio 91.6 % 88.7 %
    Features - DCI-P3
    - Always-On Display
    - DCI-P3
    - Always-On Display
    Display test
    Peak brightness (auto)
    Samsung Galaxy S24 Plus (Exynos)
    1348 nits
    Samsung Galaxy S21 Plus
    879 nits
    sRGB gamut98.1 %98.9 %
    PWM (Flicker)479 Hz240 Hz
    Response time2 ms6.2 ms
    Contrast∞ Infinite∞ Infinite

    Design & Build

    Design and ergonomics comparison
    Height 158.5 mm (6.24 in) 161.5 mm (6.36 in)
    Width 75.9 mm (2.99 in) 75.6 mm (2.98 in)
    Thickness 7.7 mm (0.3 in) 7.8 mm (0.31 in)
    Weight 196 g (6.91 oz) 200 g (7.05 oz)
    Water resistance IP68 IP68
    Cooling system Vapor chamber n/a
    Back panel Glass Glass
    Frame Metal Metal
    Colors - Black
    - Gray
    - Blue
    - Green
    - Orange
    - Purple
    - Yellow
    - Black
    - Silver
    - Gold
    - Red
    - Purple
    Fingerprint sensor Yes In-Display Yes In-Display
    Screen-to-body ratio
    Samsung Galaxy S24 Plus (Exynos)
    91.6 %
    Samsung Galaxy S21 Plus
    88.7 %

    Performance

    Testing Samsung Galaxy S24 Plus (Exynos) and Samsung Galaxy S21 Plus In benchmarks
    Processor
    Chipset Samsung Exynos 2400 Samsung Exynos 2100
    Max Frequency 3210 MHz 2840 MHz
    CPU Cores 10 (1 + 2 + 3 + 4) 8 (1 + 3 + 4)
    Architecture - 4/1.95 (Cortex-A520)
    - 3/2.6 (Cortex-A720)
    - 2/2.9 (Cortex-A720)
    - 1/3.21 (Cortex-X4)
    - 4/2.2 (Cortex-A55)
    - 3/2.81 (Cortex-A78)
    - 1/2.91 (Cortex-X1)
    Process Samsung Samsung
    Transistor Size 4 nm 5 nm
    Neural Processor Yes Yes
    Graphics Samsung Xclipse 940 Mali-G78 MP14
    GPU Cores 768 896
    GPU Frequency 1095 MHz 854 MHz
    FLOPS 3406.8 GFLOPS 1530.4 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Samsung Galaxy S24 Plus (Exynos)
    2179
    Samsung Galaxy S21 Plus
    1428
    Geekbench 6 (Multi-Core)
    Samsung Galaxy S24 Plus (Exynos)
    6906
    Samsung Galaxy S21 Plus
    3840
    Geekbench 6 (Single-Core)21791428
    Geekbench 6 (Multi-Core)69063840
    AnTuTu 10
    AnTuTu 10
    Samsung Galaxy S24 Plus (Exynos)
    1800193
    Samsung Galaxy S21 Plus
    919348
    CPU443462262973
    GPU723817294382
    Memory332219147307
    UX300695214686
    NanoReview Score1800193919348
    3DMark Wild Life
    3DMark Wild Life
    Samsung Galaxy S24 Plus (Exynos)
    13893
    Samsung Galaxy S21 Plus
    5538
    Max Surface Temp.n/a41.5 °C
    Stabilityn/a67 %
    Graphics Testn/a33 fps
    Graphics Scoren/a5538
    PCMark 3.0
    PCMark 3.0
    Samsung Galaxy S24 Plus (Exynos)
    17398
    Samsung Galaxy S21 Plus
    n/a
    Writing score22327n/a
    Web score16643n/a
    Video editing8048n/a
    Data manipulation15447n/a
    NanoReview Score17398n/a

    Memory

    RAM
    RAM Size 12 GB 8 GB
    Memory Type LPDDR5X LPDDR5
    Memory Frequency 4266 MHz 2750 MHz
    Channels 4 2
    Storage
    Storage Capacity- 256 GB
    - 512 GB
    - 128 GB
    - 256 GB
    Storage TypeUFS 4.0UFS 3.1
    Memory CardNoNo

    Software

    OS Android 14 Android 11 (Upgradeable to Android 14)
    OS Size 49 GB 27.2 GB
    UI Skin One UI 6.1 One UI 6

    Battery

    Volume 4900 mAh 4800 mAh
    Max Charging Power 45 W 25 W
    Battery Type Li-ion Li-ion
    Removable No No
    Wireless Charging Yes (15 W) Yes (15 W)
    Reverse Charging Yes (Wireless) Yes (Wireless)
    Fast Charging Yes (74% in 30 min) Yes (54% in 30 min)
    Full Charge Time 0:58 h 1:12 h
    Battery Life Test
    Battery Life
    Samsung Galaxy S24 Plus (Exynos)
    n/a
    Samsung Galaxy S21 Plus
    20:53
    Web Browsingn/a07:28 h
    Video Playbackn/a13:15 h
    Gamesn/a05:04 h
    Standby Moden/a105 h

    Main camera

    Matrix 50 MP 12 MP
    Photo resolution 8160x6120 pixels 4000x3000 pixels
    Zoom Optical, 3x Optical, 1.1x
    Flash LED Dual LED
    Stabilization Optical Optical
    8K Recording Yes (Up to 30 fps) Up to 24FPS
    4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
    1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
    Slow Motion 960 fps (1080p) 960 fps (720p)
    Wide-angle lens 120 ° 120 °
    Lenses count Standard: 50 MP
    Telephoto: 10 MP
    Ultra-wide: 12 MP
    Standard: 12 MP
    Telephoto: 64 MP
    Ultra-wide: 12 MP
    Features - Bokeh effect
    - Pro mode
    - RAW support
    - Bokeh effect
    - Pro mode
    - RAW support
    Main lens
    Matrix50 MP12 MP
    Aperturef/1.8f/1.8
    Focal length24 mm26 mm
    SensorSamsung ISOCELL GN3Sony IMX555
    Sensor size1/1.561/1.76
    Pixel size1 μm1.8 μm
    AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
    StabilizationOpticalOptical
    Telephoto
    Matrix10 MP64 MP
    Aperturef/2.4f/2.0
    Focal length67 mm28 mm
    SensorSamsung S53K1Samsung Bright S5KGW2
    Sensor size1/3.941/1.72
    Pixel size1 μm0.8 μm
    StabilizationOpticalOptical
    Ultra-wide lens
    Matrix12 MP12 MP
    Aperturef/2.2f/2.2
    Focal length13 mm13 mm
    SensorSony IMX564Sony IMX563
    Sensor size1/2.551/2.55
    Pixel size1.4 μm1.4 μm
    StabilizationDigitalDigital
    Main camera DxOMark results
    Photo quality
    Samsung Galaxy S24 Plus (Exynos)
    n/a
    Samsung Galaxy S21 Plus
    129
    Video quality
    Samsung Galaxy S24 Plus (Exynos)
    n/a
    Samsung Galaxy S21 Plus
    137
    Overall camera score
    Samsung Galaxy S24 Plus (Exynos)
    n/a
    Samsung Galaxy S21 Plus
    133
    Bokehn/a70
    Previewn/a72
    Zoomn/a126

    Front camera

    Matrix 12 MP 10 MP
    Photo resolution 4000x3000 pixels 3872x2592 pixels
    Aperture f/2.2 f/2.2
    Focal length 26 mm 26 mm
    Sensor Samsung 35K3LU Sony IMX374
    Sensor size 1/3.2 1/3.24
    Pixel size 1.12 μm 1.22 μm
    Autofocus Phase autofocus Phase autofocus (Dual Pixel)
    Stabilization Digital Digital
    Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
    TOF 3D sensor No No

    Connectivity

    Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
    Wi-Fi features - Dual Band
    - Wi-Fi MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    - Dual Band
    - Wi-Fi MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5.3 5
    Bluetooth features LE LE, A2DP
    USB type USB Type-C USB Type-C
    USB version 3.2 3.2
    USB features - Charging
    - USB Storage Mode
    - OTG
    - Charging
    - USB Storage Mode
    - USB-Host mode
    - OTG
    DisplayPort Yes DP 1.2 n/a
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo
    - QZSS
    - GPS
    - GLONASS
    - Beidou
    - Galileo
    NFC* Yes Yes
    Infrared Port No No
    Connectivity
    SIM Count*12
    SIM TypeNanoNano
    SIM Moden/aDual SIM Standby
    eSIM Support *YesYes
    Hybrid SlotNoNo
    2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850, 900, 1800, 1900 MHz
    3G BandsUMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)WCDMA Band 1, 2, 4, 5, 8
    LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
    LTE category2024
    5G SupportYesYes

    Sound

    Speakers Stereo Stereo
    3.5 mm Jack No No
    FM Radio No No
    Dolby Atmos Yes Yes
    Speaker Test
    Max Volume
    Samsung Galaxy S24 Plus (Exynos)
    92.1 dB
    Samsung Galaxy S21 Plus
    87.8 dB

    Other

    Class Flagship Flagship
    Announced January, 2024 yr January, 2021 yr
    Release Date January, 2024 yr February, 2021 yr
    Launch Price ($) 999 1000
    Sensors - Hall Sensor
    - Barometer
    - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor
    - Hall Sensor
    - Barometer
    - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor
    Charger Included No n/a

    Note

    Samsung Galaxy S24 Plus (Exynos):

    Two models exist: a dual Nano SIM and a single Nano SIM + eSIM variant.

    * Attention! Config, frequencies, NFC, and other specs may vary by region.

    Results

    After analyzing the data, we consider Samsung Galaxy S24 Plus (Exynos) the clear winner in this comparison.

    Survey

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